<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        .banner {
            width: 1226px;
            margin: 50px auto;
            position: relative;
        }

        .images-wrapper {
            width: 100%;
        }

        .images-wrapper a {
            display: none;
        }
        .images-wrapper a.show {
            display: block;
        }

        .images-wrapper a img {
            vertical-align: middle;
            width: 100%;
        }

        .banner .btn {
            width: 41px;
            height: 69px;
            display: block;
            /*background-color: #ff6700;*/
            position: absolute;
            top: 50%;
            margin-top: -34.5px;
            background: rgba(255, 255, 255, .5) url("images/icon-slides.png") no-repeat;
        }
        .banner .btn.prev {
            left: 0;
            background-position: -83px 0;
        }
        .banner .btn.prev:hover {
            background-position: -0px 0;
        }
        .banner .btn.next {
            right: 0;
            background-position: -123px 0;
        }
        .banner .btn.next:hover {
            background-position: -41px 0;
        }

        .banner .dots {
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 5px;
        }
        .banner .dots i {
            height: 20px;
            width: 20px;
            border-radius: 50%;
            border: 3px solid #2b669a;
            margin: 5px;
        }
        .banner .dots i.active {
            background-color: #ff6700;
        }
    </style>
</head>
<body>

<div class="banner">
    <!--  images  -->
    <div class="images-wrapper">
        <a href="javascript:void(0)">
            <img src="images/pic1.png" alt="">
        </a>
        <a href="javascript:void(0)">
            <img src="images/pic2.webp" alt="">
        </a>
        <a href="javascript:void(0)">
            <img src="images/pic3.webp" alt="">
        </a>
        <a href="javascript:void(0)">
            <img src="images/pic4.webp" alt="">
        </a>
    </div>
    <!--  btn  -->
    <a href="javascript:void(0)" class="btn prev"></a>
    <a href="javascript:void(0)" class="btn next"></a>

    <!--  指示点  -->
    <div class="dots">
        <i></i>
        <i></i>
        <i></i>
        <i></i>
    </div>
</div>

<script src="js/jquery-3.5.1.js"></script>
<script src="js/index.js"></script>
</body>
</html>